Sinha, R. a. S. (1988). Mineral Economics (Fourth.). Oxford.
Citación estilo ChicagoSinha, R.K. and Sharma. Mineral Economics. Fourth. New Delhi: Oxford, 1988.
Cita MLASinha, R.K. and Sharma. Mineral Economics. Fourth. Oxford, 1988.
Warning: These citations may not always be 100% accurate.